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Finding the Fourth Proportional to 8,693.67, 11,999.16 and 5,338.25

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Solution

The fourth proportional to 8,693.67, 11,999.16 and 5,338.25 is: 7,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.67 : 11,999.16 = 5,338.25 : x
  2. Step 2: Convert to fraction form
    8,693.67/11,999.16 = 5,338.25/x
  3. Step 3: Cross multiply
    8,693.67x = 11,999.16 × 5,338.25
  4. Step 4: Simplify right side
    8,693.67x = 64,054,455.87
  5. Step 5: Solve for x
    x = 64,054,455.87/8,693.67
  6. Step 6: Final answer
    x = 7,367.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.